This has been showing up in the logs on a couple of my hosts. When I put the host into maintenance mode the message stops but then appears on another host where the VMs were migrated to. Is this a serious problem? ( and is it caused by hot-adding CPU cores or memory? ) periodic/21::ERROR::2016-01-24 09:34:41,884::executor::188::Executor::(_execute_task) Unhandled exception in <virt.periodic.NumaInfoMonitor object at 0x7efc240c8250> Traceback (most recent call last): File "/usr/lib/python2.7/site-packages/vdsm/executor.py", line 186, in _execute_task callable() File "/usr/share/vdsm/virt/periodic.py", line 271, in __call__ self._execute() File "/usr/share/vdsm/virt/periodic.py", line 311, in _execute self._vm.updateNumaInfo() File "/usr/share/vdsm/virt/vm.py", line 5025, in updateNumaInfo self._numaInfo = numaUtils.getVmNumaNodeRuntimeInfo(self) File "/usr/share/vdsm/numaUtils.py", line 116, in getVmNumaNodeRuntimeInfo vnode_index = str(vcpu_to_vnode[vcpu_id]) KeyError: 1